Network switch with panic mode

H - Electricity – 04 – L

Patent

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Details

H04L 12/46 (2006.01) H04B 1/74 (2006.01) H04L 12/44 (2006.01) H04L 29/14 (2006.01)

Patent

CA 2318104

A switch is provided for use in a communications system for transmitting traffic from a first user to a second user. The first and the second users (X, K) are interconnected by a primary communications path (410) and a redundant communications path (420). The switch includes a first port configured to receive hello communications indicative of a proper operation of the primary communications path and a second port for receiving data communications. A switch control (288) monitors the receipt of the hello communications, directs the forwarding of received data communications up to a threshold capacity and, if the received data communications exceed the threshold capacity, drops at least a portion of the received data communications such that forwarded data communications are below the threshold capacity.

L'invention se rapporte à un commutateur conçu pour un système de communication et permettant de faire transiter un trafic d'un premier utilisateur vers un second utilisateur. Ces premier et second utilisateurs (X, K) sont interconnectés par une voie de communication primaire (410) et une voie de communication redondante (420). Ledit commutateur comporte un premier port conçu pour recevoir des communications d'accueil indiquant un fonctionnement correct de la voie de communication primaire, et un second port conçu pour la réception de communications de données. Un organe de commande (288) de la commutation gère la réception des communications d'accueil ainsi que l'acheminement des communications de données reçues jusqu'à une capacité seuil et, lorsque les communications de données reçues excèdent ce seuil de capacité, ledit organe de commande abandonne au moins une partie des communications de données reçues de sorte que les communications de données acheminées soient en-dessous de la capacité seuil.

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